US76155A - bkowiy - Google Patents
bkowiy Download PDFInfo
- Publication number
- US76155A US76155A US76155DA US76155A US 76155 A US76155 A US 76155A US 76155D A US76155D A US 76155DA US 76155 A US76155 A US 76155A
- Authority
- US
- United States
- Prior art keywords
- sheaves
- rope
- sockets
- cap
- fitted
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000002965 rope Substances 0.000 description 8
- 238000010276 construction Methods 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/04—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage
- B66D3/06—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage with more than one pulley
Definitions
- Figure l is e plan of the derrck-head with the cap Cgremoved.
- Figure 3 is a. vertical section of derriek-head through line A B.
- Figure 4.1 is a. side elevation of the cop C.
- Figure 5 is o. plan'ot ⁇ cap C. Y
- v Figure 7 is another viewef the same. n
- the rope F is rovvc through the block K, and over the sheaves E in the drricli-head, when the whole'is ready for use in rvaisingeanl lowering heavy bodies.
- Fig. shows a. plan of the derrick-heed 0, with the sheaves E in'the vertical slots L madey to receive theu1, ⁇ in which they 'revolve freely, carrying the rope F over the bolt or pin M, shown by the dotted lines, elso'thejews H, in which the sockets S fitted; also the holes N for the screw-bolts' Gr, which hold the cap C in plnce.
- the portable derrick Composed of the head, with its :ino sheaves', .Sockets and legs, the wholeairrang/ed as Sind for the purpose set forth.
Description
@eine feteeemt @fitte Letters PatentNo. 76,155, dated llarch 31, ISGS.
IMPROVEMENT IN PORTABLEV DERRIGKS.l
TO ALL WHOM IT MAY CONCERN: i
Y Be it known'thatl, GEORGE C.'BROWN, of the city of Philadelphie, State of Pennsylvania., have invented a. certain new and useful Improvement in Portable Derrieks; and I do hereby deolere thetthe following is a. full, clear, and exact description ofthe construction endoperation ofthe saine, reference being hed to the annexed drawings, making afpart of this specification, in which- Figure 1 is :i perspective View;
Figure l is e plan of the derrck-head with the cap Cgremoved.
Figure 3 is a. vertical section of derriek-head through line A B.
Figure 4.1 is a. side elevation of the cop C.
Figure 5 is o. plan'ot` cap C. Y
Figure 6 s c. side view of the socket AS, intowhieh the poles D ere fitted.
vFigure 7 is another viewef the same. n
K Description with reference to the drawings, in which like letters refer to like parts. lis :t perspective view, showing the derriek in position for use, with all the parts in their proper places, showing the cap C screwed on the top of the dcrriek-hed, answering two purposes, t'. e., protecting the sheaves E and rope F from the weather, and preventing the rope F from running olf of the she-.wes E. It is held in place by the serew-bolts G. The sockets S are shown with the polesD Fitted into them, and the sockets fitted in .thejews H, where they `:tre held by means of the boltsor pins l. The rope F is rovvc through the block K, and over the sheaves E in the drricli-head, when the whole'is ready for use in rvaisingeanl lowering heavy bodies. Fig. shows a. plan of the derrick-heed 0, with the sheaves E in'the vertical slots L madey to receive theu1,`in which they 'revolve freely, carrying the rope F over the bolt or pin M, shown by the dotted lines, elso'thejews H, in which the sockets S fitted; also the holes N for the screw-bolts' Gr, which hold the cap C in plnce.- i
What I claim es my invention, and desire to secure by Letters Patent, is-
The portable derrick, Composed of the head, with its :ino sheaves', .Sockets and legs, the wholeairrang/ed as sind for the purpose set forth.
GEORGE C. BROWN Witnesses:
JNO. HARTMAN, J r., J onNsoN HUGHES.
Publications (1)
Publication Number | Publication Date |
---|---|
US76155A true US76155A (en) | 1868-03-31 |
Family
ID=2145658
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US76155D Expired - Lifetime US76155A (en) | bkowiy |
Country Status (1)
Country | Link |
---|---|
US (1) | US76155A (en) |
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0
- US US76155D patent/US76155A/en not_active Expired - Lifetime
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